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5877CS - 4.28 Inch Spring Steel Extension Springs

The 5877CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a free length of 4.28 inches. It has an initial tension of 2 pounds and a maximum deflection of 4.2 inches. With a maximum load capacity of 11 pound force, this spring is suitable for various applications. The 5877CS features a full loop design and has an outside diameter of 0.5 inches. Its wire diameter measures 0.055 inches, and it has a spring rate of 2.2 inches per pound.

At Century Spring, we take pride in our fast shipping and substantial stock inventory. We understand the importance of timely delivery, which is why we strive to get your order processed and shipped as quickly as possible. Our products, including the 5877CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 4.28 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 2.2 lbs/in
SKU 5877CS
Sugg Max Deflection 4.2 in
Sugg Max Load 11 lbf
Wind Direction Left
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 108.71 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.39 N/mm
SKU 5877CS
Sugg Max Deflection 106.68 mm
Sugg Max Load 48.93 N
Wind Direction Left
Wire Diameter 1.4 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

Pricing reflects the base un-configured part price. Final per piece price including configured options will be calculated once a quantity is entered in the field above.

Quantity Price
1 - 49 $3.89
50 - 149 $3.70
150 - 299 $3.51
300 - 499 $3.31
500 - 749 $2.92
750 - 999 $2.53
1000+ Call for price